Add check to disable armsve on Apple M1.

configure

@@ -1335,6 +1335,17 @@ blacklistbu_add()
 	fi
 }
 
+blacklistos_add()
+{
+	# Check whether we've already blacklisted the given sub-config so
+	# we don't output redundant messages.
+	if [ $(is_in_list "$1" "${config_blist}") == "false" ]; then
+
+		echowarn "The operating system does not support building '$1'; adding to blacklist."
+		config_blist="${config_blist} $1"
+	fi
+}
+
 blacklist_init()
 {
 	config_blist=""
@@ -1989,6 +2000,13 @@ check_assembler()
 	fi
 }
 
+check_os()
+{
+	if [[ "$(uname -s)" == "Darwin" && "$(uname -m)" == "arm64" ]]; then
+		blacklistos_add "armsve"
+	fi
+}
+
 try_assemble()
 {
 	local cc cflags asm_src asm_base asm_bin rval
@@ -2886,6 +2904,9 @@ main()
 	get_binutils_version
 	check_assembler
 
+    # Check if there is any incompatibility due to the operating system.
+	check_os
+
 	# Remove duplicates and whitespace from the blacklist.
 	blacklist_cleanup